<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title>busqueda</title>
  </head>
  <body>
    <form action="controlador?operacion=buscar" method="POST">
      <table cellspacing="2" cellpadding="3" border="1" width="100%">
        <tr>
          <td width="50%">CODIGO</td>
          <td width="50%">
            <input type="text" name="codigo"/>
          </td>
        </tr><tr>
          <td width="50%">&nbsp;</td>
          <td width="50%">
            <input type="submit" value="Buscar"/>
          </td>
        </tr>
      </table>
    </form>
  </body>
</html>